Improvement in power apparatus



G. W. VOSBURGH.

Improvement in Power Apparatus.

N0. 131,98], Patented Oct. 8,1872.

AM. Mmra-urmsmP/r/t mm X (aseu/z/vz's moons) UNITED STATES GEORGE W.VOSBURGH, OF SUN PRAIRIE, WISCONSIN, ASSIGNOR OF ONE- HALF HIS RIGHT TOI. D. HAYDEN, OF SAME PLACE.

IMPROVEMENT IN POWER APPARATUS.

Specification forming part of Letters Patent No. 131M381, dated October8, 1872.

To all whom it may concern:

Be itknown that I, GEORGE W. Vo'sBURGH, of Sun Prairie, in the county ofDane and State of Wisconsin, have invented a new and useful Power forRaising Weights and for Pressure, of which the following is aspecification:

In the perspective view, A is the frame having the two standards B B,with the bolts 0 O at their upper ends, which bolts receive the arms D Dat their slots E E, upon which bolts said slots work inoperating themachine. Through the inner ends of said armsD D runs the bolt F,conneotingthe arms with the weight or pressure, and also with theconnecting-rod G, which rod is connected with the short arm' of thelever H by the bolt or rivet I. The lever H is also attached to the bentlever K by a bolt, L, and such bent lever is connected at its inner endto the straight lever M by the bolt or rivet N, each of whichlast-mentioned levers, H and M, is connected, respectively,

by the bolts 0 P to the aforementioned arms 1) D at their outward ends.

To work my machine the lever or handle H is depressed; this moves thebent lever K downward, and the arms D D at their inner ends upward,making a movable fulcrum at the bolt L, which fulcrum moving downward as

